Buick Workshop Service and Repair Manuals > Regal V6-231 3.8L Turbo VIN 8 4-bbl (1983) > Powertrain Management | Computers and Control Systems | Electronic Spark Timing <--> [Electronic Spark Control Module] | Component Information | Testing and Inspection

Engine Control Module > < Backpressure EGR Valves - New Identification Feature

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Fig. 6a ESC Performance Chart

Powertrain Management
Computers and Control Systems
Electronic Spark Timing <--> [Electronic Spark Control Module]
Component Information
Testing and Inspection

Engine Control Module > < Backpressure EGR Valves - New Identification Feature